. >>> let's get you to vatican city and pope benedict's farewell tour. in it he thanked the faithful there their prayers and called for prayers for the next pope, as well. this is one of the last public appearances he's going to make. on the other end, though, it's audition day for some of his possible successors. so, the end maybe of his reign and beginning of another. speaking to congregations around the world today. right now from rome ben wedemen. let's start with pope benedict, ben. how will he spend his last 11 days as pope? >> well, we know that once he's done with this angelus mass he will go into a lenten retreat for a week. this is one of the normal rituals of the lenten period that leads to, of course, easter. during that time, he will be in this retreat when prayer and contemplation with other leading bishops and cardinals. now, it's important to keep in mind that the election for the pope is not like the election in most places. it's a very solemn affair and the cardinals, the bishops, they talk about the qualities they would like to see in